FZUS63 KDTX 120734 GLFLH OPEN LAKE FORECAST FOR LAKE HURON NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 334 AM EDT SUN MAY 12 2013 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE HURON .SYNOPSIS...LOW PRESSURE...29.50 INCHES...JUST NORTH OF GEORGIAN BAY THIS MORNING WILL LIFT NORTHEAST INTO QUEBEC TODAY. UNUSUALLY COLD AIRMASS WILL PRODUCE GALES OVER NORTHERN HALF HURON...ALONG WITH SNOW SHOWERS. WINDS WILL BE MUCH LIGHTER EARLY NEXT WEEK...AS HIGH PRESSURE BUILDS OVER THE OHIO VALLEY THROUGH TUESDAY...THEN SLIDES INTO THE MID-ATLANTIC ON WEDNESDAY. LHZ361-122030- LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 334 AM EDT SUN MAY 12 2013 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...NORTHWEST WINDS TO 30 KNOTS...DIMINISHING TO 20 TO 25 KNOTS LATE. GUSTS TO 40 KNOT GALES. SCATTERED RAIN AND SNOW SHOWERS. WAVES 8 TO 12 FEET. MAXIMUM WAVE HEIGHT AROUND 14 FEET. .TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES...DIMINISHING TO 10 TO 15 KNOTS OVERNIGHT. WAVES 4 TO 6 FEET. MAXIMUM WAVE HEIGHT AROUND 8 FEET. .MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO 10 KNOTS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY AFTERNOON. .MONDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS. .TUESDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS. A CHANCE OF SHOWERS UNTIL 7 PM...THEN SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FEET...BUILDING TO 3 TO 5 FEET. MAXIMUM WAVE HEIGHT AROUND 7 FEET. .WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS...VEERING TO THE WEST LATE. SHOWERS AND THUNDERSTORMS LIKELY UNTIL 6 PM. WAVES 3 TO 5 FEET...SUBSIDING TO 2 FEET OR LESS LATE. MAXIMUM WAVE HEIGHT AROUND 7 FEET. .THURSDAY...WEST WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON... BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS. $$ LHZ362-363-122030- LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM OFF SHORE- LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- 334 AM EDT SUN MAY 12 2013 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...NORTHWEST WINDS TO 30 KNOTS. GUSTS TO 40 KNOT GALES. SCATTERED RAIN AND SNOW SHOWERS. WAVES 10 TO 14 FEET. MAXIMUM WAVE HEIGHT AROUND 18 FEET. .TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES...DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. WAVES 8 TO 12 FEET...SUBSIDING TO 5 TO 7 FEET LATE. MAXIMUM WAVE HEIGHT AROUND 15 FEET. .MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING LIGHT AND VARIABLE. WAVES 3 TO 5 FEET. MAXIMUM WAVE HEIGHT AROUND 7 FEET. .MONDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET. .TUESDAY...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 7 PM. WAVES 1 TO 3 FEET...BUILDING TO 3 TO 5 FEET. MAXIMUM WAVE HEIGHT AROUND 7 FEET. .WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO 10 KNOTS LATE. SHOWERS AND THUNDERSTORMS LIKELY UNTIL 6 PM. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET LATE. MAXIMUM WAVE HEIGHT AROUND 7 FEET. .THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS. $$ LHZ462-122030- LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- 334 AM EDT SUN MAY 12 2013 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...WEST WINDS TO 30 KNOTS...BECOMING NORTHWEST 20 TO 25 KNOTS BY LATE MORNING. GUSTS TO 35 KNOT GALES. SCATTERED RAIN AND SNOW SHOWERS. WAVES 8 TO 12 FEET...BUILDING TO 10 TO 14 FEET BY MID AFTERNOON. MAXIMUM WAVE HEIGHT AROUND 18 FEET. .TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS LATE. WAVES 6 TO 9 FEET. MAXIMUM WAVE HEIGHT AROUND 13 FEET. .MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 KNOTS IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE LATE. WAVES 4 TO 6 FEET...SUBSIDING TO 1 TO 3 FEET LATE. MAXIMUM WAVE HEIGHT AROUND 7 FEET. .MONDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS. .TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 7 PM. WAVES 2 FEET OR LESS...BUILDING TO 2 TO 4 FEET. .WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS THROUGH LATE AFTERNOON... BECOMING LIGHT AND VARIABLE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET...SUBSIDING TO 2 FEET OR LESS LATE. .THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS. $$ LHZ463-464-122030- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 334 AM EDT SUN MAY 12 2013 .TODAY...WEST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS. SCATTERED SHOWERS. WAVES 8 TO 12 FEET. MAXIMUM WAVE HEIGHT AROUND 15 FEET. .TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS AFTER MIDNIGHT. WAVES 6 TO 9 FEET. MAXIMUM WAVE HEIGHT AROUND 13 FEET. .MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING LIGHT AND VARIABLE. WAVES 4 TO 6 FEET...SUBSIDING TO 1 TO 3 FEET LATE. MAXIMUM WAVE HEIGHT AROUND 7 FEET. .MONDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 KNOTS LATE. WAVES 2 FEET OR LESS. .TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 7 PM. WAVES 2 FEET OR LESS...BUILDING TO 2 TO 4 FEET. .WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO 10 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET...SUBSIDING TO 2 FEET OR LESS LATE. .THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS. $$ LHZ461-122030- MAFOR 1209/ HURON NORTH...GALE WARNING IN EFFECT...11640 11740 11750 13740 11730 11720. SCATTERED RAIN AND SNOW SHOWERS TODAY. WAVES 5 TO 7 FEET BUILDING TO 10 TO 14 FEET WITH MAXIMUM WAVE HEIGHT AROUND 18 FEET TODAY. WAVES 10 TO 14 FEET SUBSIDING TO 5 TO 7 FEET OVERNIGHT WITH MAXIMUM WAVE HEIGHT AROUND 18 FEET TONIGHT. 210609 210811. HURON SOUTH...GALE WARNING IN EFFECT...11630 11640 12630 11730 13720. SCATTERED RAIN AND SNOW SHOWERS THROUGH LATE AFTERNOON TODAY. WAVES 3 TO 5 FEET BUILDING TO 8 TO 12 FEET WITH MAXIMUM WAVE HEIGHT AROUND 15 FEET TODAY. WAVES 8 TO 12 FEET WITH MAXIMUM WAVE HEIGHT AROUND 15 FEET TONIGHT. 220508. $$ SF WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVE SPECTRUM. MAXIMUM WAVE HEIGHT IS THE HIGHEST 1/20 WAVE HEIGHT. EXPERIMENTAL GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT WEATHER.GOV/DETROIT (ALL LOWER CASE)